USGS Streamgage 14139940
Bull Run River below Bull Run Reservoir 2, near Bull Run, OR
Bull Run River below Bull Run Reservoir 2, near Bull Run, OR is USGS streamgage 14139940 in Oregon, monitoring river discharge in hydrologic subbasin 17080001. It sits on the Bull Run River, alongside 5 other gauges Rivermatics tracks on the same river. It drains a watershed of about 103 square miles. Discharge records at this site go back to 2023. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead, alongside daily high and low water-temperature forecasts.
View live conditions & forecast →
Gauge details
- State
- Oregon
- Drainage area
- 103 sq mi
- Subbasin (HUC-8)
- 17080001
- Coordinates
- 45.44853, -122.15519
- USGS site number
- 14139940
- Records begin
- 2023-09-21 (3 years)
- Rivermatics forecast
- 14-day flow outlook + water temperature
14-day flow forecast
Based on observations through for Bull Run River below Bull Run Reservoir 2, near Bull Run, OR. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 35.3 | 41 | 47.7 | ||
| 30.9 | 41.1 | 54.5 | ||
| 27.7 | 40.5 | 57.8 | ||
| 28 | 41.2 | 63 | ||
| 28.1 | 42.4 | 68.7 | ||
| 28 | 43.3 | 71.9 | ||
| 28 | 44.1 | 74.9 | ||
| 28 | 45 | 78.5 | ||
| 28.1 | 46 | 82.2 | ||
| 28.5 | 47.1 | 85.2 | ||
| 28.7 | 47.8 | 87.1 | ||
| 28.9 | 48.4 | 88.8 | ||
| 29.1 | 48.9 | 91.4 | ||
| 29.4 | 49.7 | 93.1 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Common questions
- How long has Bull Run River below Bull Run Reservoir 2, near Bull Run, OR been measured?
- Discharge records at USGS site 14139940 begin in 2023, about 3 years, covering roughly 1,028 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Bull Run River below Bull Run Reservoir 2, near Bull Run, OR?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. A companion model forecasts each day's water-temperature high and low. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Bull Run River below Bull Run Reservoir 2, near Bull Run, OR?
- The gauge sits at 45.44853, -122.15519, in Oregon, in hydrologic subbasin 17080001, draining roughly 103 square miles.
- Can I use Bull Run River below Bull Run Reservoir 2, near Bull Run, OR data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Bull Run River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Bull Run River in full.
- Bull Run River at Lower Flume near Brightwood, OR 5 sq mi
- Bull Run River near Multnomah Falls, OR 48 sq mi
- Bull Run River below Bull Run Reservoir 2, near Bull Run, OR this page
- Bull Run River near Bull Run (River Only), OR 107 sq mi
- Bull Run River near Bull Run, OR 107 sq mi
- Bull Run River at Larson's Bridge, near Bull Run, OR 108 sq mi
Other gauges in this subbasin
- Bull Run River near Bull Run (River Only), OR
- Bull Run River near Bull Run, OR
- Bull Run River at Larson's Bridge, near Bull Run, OR
- Little Sandy River near Bull Run, OR
- Sandy River below Bull Run River, near Bull Run, OR
- Kelly Creek at Kane Road near Gresham, OR
- Beaver Creek at Troutdale, OR
- Columbia River, Left Bank, near Dodson, OR